Results 51 to 60 of about 12,395 (174)

A semi-analytical method for dynamic analysis of a rectangular plate with general boundary conditions based on FSDT

open access: yesReviews on Advanced Materials Science, 2022
In this paper, the unified Jacobi–Ritz method (JRM) is utilized to analyze the dynamic response of rectangular plates with general boundary conditions.
Jia Di   +5 more
doaj   +1 more source

Randomized Orthogonalization Process With Reorthogonalization

open access: yesNumerical Linear Algebra with Applications, Volume 32, Issue 4, August 2025.
ABSTRACT The dimension reduction technique of random sketching is advantageous in significantly reducing computational complexity. In orthogonalization processes like the Gram‐Schmidt (GS) algorithm, incorporating random sketching results in a halving of computational costs compared to the classical/modified Gram‐Schmidt (CGS/MGS) algorithms, while ...
Yongseok Jang, Laura Grigori
wiley   +1 more source

Analytic Variational Investigation of Euclidean SU(3) Gauge Theory

open access: yes, 1993
Analytic variational techniques for lattice gauge theories based on the Rayleigh-Ritz(RR) method were previously developed for euclidean SU(2) gauge theories in 3 and 4 dimensions.
Anishetty   +3 more
core   +2 more sources

Stabilized Krylov Subspace Recurrences via Randomized Sketching

open access: yesNumerical Linear Algebra with Applications, Volume 32, Issue 3, June 2025.
ABSTRACT Recurrences building orthonormal bases for polynomial Krylov spaces have been classically used for approximation purposes in various numerical linear algebra contexts. Variants aiming to limit memory and computational costs by using truncated recurrences often have convergence constraints.
Valeria Simoncini, YiHong Wang
wiley   +1 more source

Traveling wave analysis of rotating functionally graded graphene platelet reinforced nanocomposite cylindrical shells with general boundary conditions

open access: yesResults in Physics, 2019
This paper studies traveling wave motions of rotating multi-layered functionally graded graphene platelet reinforced composite (FG-GPLRC) cylindrical shell under general boundary conditions.
Zhaoye Qin   +3 more
doaj   +1 more source

A Proposal of Mode Polynomials for Efficient Use of Component Mode Synthesis and Methodology to Simplify the Calculation of the Connecting Beams

open access: yesJournal of Marine Science and Engineering, 2020
Analytical method using Rayleigh–Ritz method has not been widely used recently due to intensive use of finite element analysis (FEA). However as long as suitable mode functions together with component mode synthesis (CMS) can be provided, Rayleigh–Ritz ...
Jeong Hee Park, Duck Young Yoon
doaj   +1 more source

Modelling of flaky particle motion under typical vibration excitation for gas insulated switchgear live operation

open access: yesHigh Voltage, Volume 10, Issue 3, Page 660-672, June 2025.
Abstract Within 30 min after live operation of gas‐insulated switchgear (GIS), more than 60% of discharge failures are caused by metallic particles. To address this issue, this study explored the vibration propagation mechanisms in GIS cavities and established an equivalent vibration transmission model.
Jian Wang   +7 more
wiley   +1 more source

Modeling the chloride transport in concrete from microstructure generation to chloride diffusivity prediction

open access: yesComputer-Aided Civil and Infrastructure Engineering, Volume 40, Issue 9, Page 1129-1149, 4 April 2025.
Abstract Pore structure characteristics of cementitious materials play a critical role in the transport properties of concrete structures. This paper develops a novel framework for modeling chloride penetration in concrete, considering the pore structure‐dependent model parameters.
Liang‐yu Tong   +5 more
wiley   +1 more source

Doublet structural modeling of nonhomogeneous Euler mass sensor nanobeams using boundary characteristics Bernstein Polynomials

open access: yesZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, Volume 105, Issue 3, March 2025.
Abstract This study investigates the doublet structural model for analyzing nonhomogeneous Euler mass sensor nanobeams, incorporating the concept of doublet mechanics alongside Bernstein polynomials (BPs). BPs serve as basic functions within the Rayleigh–Ritz method, facilitating conversional governing equations into a geikneralized Eigenvalue problem.
Rajendran Selvamani   +4 more
wiley   +1 more source

Application of the Classical Rayleigh-Ritz Method in Dynamics of Circular Archces

open access: yesEngineering Transactions, 1993
The paper deals with Rayleigh-Timoshenko and Bernoulli-Euler models of circular arches with extensible or inextensible axes clamped with free radial sliding at both ends.
B. Olszowski
doaj  

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